Home / 70,207.28-96,886.04-38,376.16

Finding the Fourth Proportional to 70,207.28, 96,886.04 and 38,376.16

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Solution

The fourth proportional to 70,207.28, 96,886.04 and 38,376.16 is: 52,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,207.28 : 96,886.04 = 38,376.16 : x
  2. Step 2: Convert to fraction form
    70,207.28/96,886.04 = 38,376.16/x
  3. Step 3: Cross multiply
    70,207.28x = 96,886.04 × 38,376.16
  4. Step 4: Simplify right side
    70,207.28x = 3,718,114,172.81
  5. Step 5: Solve for x
    x = 3,718,114,172.81/70,207.28
  6. Step 6: Final answer
    x = 52,959.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.